In a glass factory , they go in for measuring the thickness of the class by taking 5 samples from…

In a glass factory , they go in for measuring the thickness of the class by
taking 5 samples from lot of 100 and 6 lots are checked on machine-3.
Here , the quality characteristics measured is â€œThicknessâ€. Consider for the
following samples shown in a table.
Draw the mean and range charts and plots the values. State whether the
process is under statistical control or not. Comment about process.